Ragweeds

Family: Asteraceae
Scientific name: Ambrosia species
Description: Plant Form Perennial herbs. Size Up to 2 m tall. Stem Erect, somewhat woody. Leaves Deeply divided. Fern-like. Have strong aroma. Flowers Greenish-yellow cup-shaped flowers along long spikes. Fruit and Seeds Black, small, rough seeds. Habitat Pastures, roadsides, forests, riparian areas.